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Best way to implement a 'clock'

Posted on 2007-11-20
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Last Modified: 2013-11-26
I've done this in vb6 - but wanted to know the best route to take in vb.net (2005).
I simply want a label with the current time HH:MM:SS to update every second.

If a timer is the best route, can someone assist me in writing the code for it - without placing the timer control on the form?
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Question by:sirbounty
5 Comments
 
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Expert Comment

by:Jens Fiederer
ID: 20322844
Go ahead and PLACE the timer control "on the form" - it is not visible, so it won't cause you any problem - it is just a way to indicate to the designer that you are using it!
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LVL 55

Expert Comment

by:Jaime Olivares
ID: 20322846
you don't need the timer as a component. Have a look to this article about using the .net Timer() class:
http://www.codeproject.com/csharp/cstimer01.asp

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Accepted Solution

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Mike Tomlinson earned 1000 total points
ID: 20323834
A simple VB.Net version...
Public Class Form1
 
    Private WithEvents tmr As New System.Windows.Forms.Timer()
 
    Private Sub Form1_Load(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles MyBase.Load
        tmr.Interval = 1000
        tmr.Start()
    End Sub
 
    Private Sub tmr_Tick(ByVal sender As Object, ByVal e As System.EventArgs) Handles tmr.Tick
        Label1.Text = DateTime.Now.ToString("hh:mm:ss")
    End Sub
 
End Class

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Expert Comment

by:Mike Tomlinson
ID: 20323848
*Note that in VB.Net you can use the WithEvents/Handles combination...    (C# doesn't have a direct equivalent)
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LVL 67

Author Comment

by:sirbounty
ID: 20324758
Thanx IM - that's what I'd been trying to get working, but was missing something...
I think at one point it was complaining about tmr already existing in 'this' class, although I couldn't find any reference.
Will give this another shot - thanx!
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